1455612253 has 2 divisors, whose sum is σ = 1455612254. Its totient is φ = 1455612252.

The previous prime is 1455612229. The next prime is 1455612289. The reversal of 1455612253 is 3522165541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100779684 + 354832569 = 33178^2 + 18837^2 .

It is an emirp because it is prime and its reverse (3522165541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455612253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455612953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727806126 + 727806127.

It is an arithmetic number, because the mean of its divisors is an integer number (727806127).

Almost surely, 2^1455612253 is an apocalyptic number.

It is an amenable number.

1455612253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455612253 is an equidigital number, since it uses as much as digits as its factorization.

1455612253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The square root of 1455612253 is about 38152.4868521044. The cubic root of 1455612253 is about 1133.3095999547.

Adding to 1455612253 its reverse (3522165541), we get a palindrome (4977777794).

The spelling of 1455612253 in words is "one billion, four hundred fifty-five million, six hundred twelve thousand, two hundred fifty-three".